Watch strap



FIG. 1 is a perspective view of a watch strap showing my new design;

FIG. 2 is a right side view of the watch strap;

FIG. 3 is a left side view of the watch strap;

FIG. 4 is a front view of the watch strap;

FIG. 5 is a rear view of the watch strap;

FIG. 6 is a top view of the watch strap; and,

FIG. 7 is a bottom view of the watch strap.

The broken lines represent portions of the watch strap which from no part of the claimed design. 

CLAIM The ornamental design for a watch strap, as shown and described. 